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<head>
    <meta charset="UTF-8">
    <meta name="viewport" content="width=device-width, initial-scale=1.0">
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    <script src="./jquery.min.js"></script>
    <title>射击气球</title>
</head>

<body>
    <div class="life">
        <label for="life">移动速度:</label>
        <section class="lifespeed"><span class="lifespeed">1</span><span>px</span><span>s</span></section>
        <section class="lifecolor"><span>射击数:</span><span class="lifescolor"></span></section>
    </div>
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</body>

</html>